Mark Jeffrey DeLong

Insider Reports History

Location
Waltham, MA
Signature
/s/ David Watson, attorney-in-fact for Mark DeLong
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Mark Jeffrey DeLong:

Company Role Class Num Shares Value Price $ Report Date Ownership
Apellis Pharmaceuticals, Inc. Chief Business & Strat Officer Common Stock 114,591 $2,538,614 $22.15 11 Feb 2026 Direct
Apellis Pharmaceuticals, Inc. Chief Business & Strat Officer Stock Option (Right to Buy) 82,500 $1,599,675 $19.39 09 Jun 2025 Direct

Insider Reports Filed by Mark Jeffrey DeLong

Symbol Company Period Transactions Value $ Form Type Role Filing Time
APLS Apellis Pharmaceuticals, Inc. 11 Feb 2026 1 -$8,153 4 Chief Business & Strat Officer 13 Feb 2026, 09:23
APLS Apellis Pharmaceuticals, Inc. 28 Jan 2026 1 $0 4 Chief Business & Strat Officer 30 Jan 2026, 16:11
APLS Apellis Pharmaceuticals, Inc. 22 Jan 2026 1 -$73,371 4 Chief Business & Strat Officer 23 Jan 2026, 16:11
APLS Apellis Pharmaceuticals, Inc. 20 Jan 2026 1 -$26,404 4 Chief Business & Strat Officer 21 Jan 2026, 16:17
APLS Apellis Pharmaceuticals, Inc. 13 Jan 2026 1 -$39,493 4 Chief Business & Strat Officer 15 Jan 2026, 16:33
APLS Apellis Pharmaceuticals, Inc. 09 Jun 2025 1 +$1,599,675 4 Chief Business & Strat Officer 11 Jun 2025, 16:10
APLS Apellis Pharmaceuticals, Inc. 11 Feb 2025 1 -$10,360 4 Chief Business & Strat Officer 12 Feb 2025, 13:59
APLS Apellis Pharmaceuticals, Inc. 29 Jan 2025 1 -$10,776 4 Chief Business & Strat Officer 30 Jan 2025, 12:01
APLS Apellis Pharmaceuticals, Inc. 22 Jan 2025 1 -$42,474 4 Chief Business & Strat Officer 23 Jan 2025, 15:23
APLS Apellis Pharmaceuticals, Inc. 17 Jan 2025 2 -$36,998 4 Chief Business & Strat Officer 21 Jan 2025, 15:59
APLS Apellis Pharmaceuticals, Inc. 13 Jan 2025 1 -$45,895 4 Chief Business & Strat Officer 14 Jan 2025, 16:10
APLS Apellis Pharmaceuticals, Inc. 12 Aug 2024 2 +$72,034 4 Chief Business & Strat Officer 13 Aug 2024, 16:13
APLS Apellis Pharmaceuticals, Inc. 18 Mar 2024 1 -$564,050 4 Chief Business & Strat Officer 19 Mar 2024, 16:03
APLS Apellis Pharmaceuticals, Inc. 12 Feb 2024 1 -$40,457 4 Chief Business & Strat Officer 13 Feb 2024, 16:38
APLS Apellis Pharmaceuticals, Inc. 29 Jan 2024 1 -$23,539 4 Chief Business & Strat Officer 31 Jan 2024, 16:18
APLS Apellis Pharmaceuticals, Inc. 22 Jan 2024 1 -$89,954 4 Chief Business & Strat Officer 23 Jan 2024, 18:01
APLS Apellis Pharmaceuticals, Inc. 16 Jan 2024 3 +$1,526,391 4 Chief Business & Strat Officer 17 Jan 2024, 16:41
APLS Apellis Pharmaceuticals, Inc. 23 Oct 2023 1 -$6,031 4 Chief Business & Strat Officer 24 Oct 2023, 16:18
APLS Apellis Pharmaceuticals, Inc. 21 Feb 2023 3 -$25,798 4 Chief Business & Strat Officer 22 Feb 2023, 05:46
APLS Apellis Pharmaceuticals, Inc. 10 Feb 2023 1 -$34,311 4 Chief Business & Strat Officer 14 Feb 2023, 15:24
APLS Apellis Pharmaceuticals, Inc. 27 Jan 2023 1 -$19,367 4 Chief Business & Strat Officer 30 Jan 2023, 15:45
APLS Apellis Pharmaceuticals, Inc. 20 Jan 2023 1 -$59,805 4 Chief Business & Strat Officer 24 Jan 2023, 16:12
APLS Apellis Pharmaceuticals, Inc. 12 Jan 2023 2 +$1,624,298 4 Chief Business & Strat Officer 17 Jan 2023, 18:28
APLS Apellis Pharmaceuticals, Inc. 20 Oct 2022 1 -$11,368 4 Senior Vice President 24 Oct 2022, 17:10
APLS Apellis Pharmaceuticals, Inc. 17 Aug 2022 3 -$269,900 4 Senior Vice President 18 Aug 2022, 16:02
APLS Apellis Pharmaceuticals, Inc. 11 Aug 2022 3 -$257,400 4 Senior Vice President 12 Aug 2022, 16:58
APLS Apellis Pharmaceuticals, Inc. 08 Aug 2022 3 -$244,900 4 Senior Vice President 09 Aug 2022, 17:16
APLS Apellis Pharmaceuticals, Inc. 04 Aug 2022 4 -$452,300 4 Senior Vice President 08 Aug 2022, 16:02
APLS Apellis Pharmaceuticals, Inc. 27 Jul 2022 3 -$207,400 4 Senior Vice President 28 Jul 2022, 16:03
APLS Apellis Pharmaceuticals, Inc. 19 Jul 2022 3 -$204,500 4 Senior Vice President 21 Jul 2022, 16:31
APLS Apellis Pharmaceuticals, Inc. 16 Jun 2022 3 -$279,350 4 Senior Vice President 21 Jun 2022, 16:11
APLS Apellis Pharmaceuticals, Inc. 20 Apr 2022 3 -$259,070 4 Senior Vice President 22 Apr 2022, 17:35
APLS Apellis Pharmaceuticals, Inc. 10 Feb 2022 3 -$12,770 4 Senior Vice President 14 Feb 2022, 15:13
APLS Apellis Pharmaceuticals, Inc. 28 Jan 2022 1 -$16,748 4 Senior Vice President 01 Feb 2022, 17:10
APLS Apellis Pharmaceuticals, Inc. 21 Jan 2022 2 $0 4/A Senior Vice President 07 Feb 2022, 19:06
APLS Apellis Pharmaceuticals, Inc. 20 Oct 2021 1 $0 4 Senior Vice President 27 Oct 2021, 16:26
APLS Apellis Pharmaceuticals, Inc. 21 Jul 2021 3 -$49,480 4 Senior Vice President 22 Jul 2021, 16:24
APLS Apellis Pharmaceuticals, Inc. 15 Jul 2021 3 -$46,780 4 Senior Vice President 16 Jul 2021, 18:40
APLS Apellis Pharmaceuticals, Inc. 15 Jun 2021 3 -$197,750 4 Senior Vice President 16 Jun 2021, 16:32
APLS Apellis Pharmaceuticals, Inc. 18 May 2021 3 -$78,960 4 Senior Vice President 19 May 2021, 16:04